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Check if two unordered lists are equal [duplicate]
I'm looking for an easy (and quick) way to determine if two unordered lists contain the same elements:
8 Answers
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How to use java.String.format in Scala?
...icate positioning. By default, the position of the argument is simply the order in which it appears in the string.
Here's an example of the proper way to use this:
String result = String.format("The format method is %s!", "great");
// result now equals "The format method is great!".
You will a...
How to sort in mongoose?
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Mongoose v5.x.x
sort by ascending order
Post.find({}).sort('field').exec(function(err, docs) { ... });
Post.find({}).sort({ field: 'asc' }).exec(function(err, docs) { ... });
Post.find({}).sort({ field: 'ascending' }).exec(function(err, docs) { ... });
Post.f...
Python logging not outputting anything
...a handler with level=DEBUG, the actual logging level must also be DEBUG in order to get it to output anything.
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Why can't non-default arguments follow default arguments?
...wed. A SyntaxError is raised if the arguments are not given in the correct order:
Let us take a look at keyword arguments, using your function.
def fun1(a="who is you", b="True", x, y):
... print a,b,x,y
Suppose its allowed to declare function as above,
Then with the above declarations, we c...
Define make variable at rule execution time
...porary directory created) whenever the rules for out.tar are evaluated. In order to create the directory only when out.tar is actually fired, you need to move the directory creation down into the steps:
out.tar :
$(eval TMP := $(shell mktemp -d))
@echo hi $(TMP)/hi.txt
tar -C $(TMP) cf...
In what areas might the use of F# be more appropriate than C#? [closed]
...nto the calculation engine was in the form of vectors and matrices. Higher order functions eat these for breakfast with minimal fuss, minimal code. Beautiful.
Lack of bugs Functional programming can feel strange. I can be working on an algorithm, trying hard to get the code to pass the type checker...
PHP Sort a multidimensional array by element containing date
...ing array of records/assoc_arrays by specified mysql datetime field and by order:
function build_sorter($key, $dir='ASC') {
return function ($a, $b) use ($key, $dir) {
$t1 = strtotime(is_array($a) ? $a[$key] : $a->$key);
$t2 = strtotime(is_array($b) ? $b[$key] : $b->$key);...
How to remove convexity defects in a Sudoku square?
... grid:
mask = FillingTransform[largestComponent]
Now, I can use a 2nd order derivative filter to find the vertical and horizontal lines in two separate images:
lY = ImageMultiply[MorphologicalBinarize[GaussianFilter[srcAdjusted, 3, {2, 0}], {0.02, 0.05}], mask];
lX = ImageMultiply[Morphologica...
What is the advantage of GCC's __builtin_expect in if else statements?
... ...
after_if:
You can see that the instructions are arranged in such an order that the bar case precedes the foo case (as opposed to the C code). This can utilise the CPU pipeline better, since a jump thrashes the already fetched instructions.
Before the jump is executed, the instructions below ...